A Growing Passion This 26-minute episode explores California’s citrus industry. Nan Sterman visits a family-run orchard in Pauma Valley, the USDA National Clonal Germplasm Repository for Citrus, the Givaudan Citrus Variety Collection at UC Riverside, and Four Winds Nursery. Learn how scientists are producing disease-free plants and preserving citrus diversity. Explore nurseries and farms that bring citrus to consumers from gardens to grocery stores.